package models

import (
	"errors"
	"fmt"
	"github.com/astaxie/beego/cache"
	"github.com/astaxie/beego/orm"
	"reflect"
	"strings"
	"time"
)

type Interfaceusage struct {
	Id                  int64  `form:"id" orm:"column(id)" json:"id"` //
	InterfaceId         int64  `form:"interface_id" orm:"column(interface_id)" json:"interface_id"`
	Name                string `form:"name" orm:"column(name)" json:"name"`                      //
	Description         string `form:"description" orm:"column(description)" json:"description"` //
	Pubtime             string `form:"-" orm:"column(pubtime)" json:"pubtime"`                   //
	ParamsMap           string `form:"params_map" orm:"column(params_map)" json:"params_map"`
	Paramtype           string `form:"paramtype" orm:"column(paramtype)" json:"paramtype"`
	OutStruct           string `form:"outstruct" orm:"column(outstruct)" json:"outstruct"`
	ParamsExample       string `form:"params_example" orm:"column(params_example)" json:"params_example"`
	Headers             string `form:"headers" orm:"column(headers)" json:"headers"`
	ApiId               string `form:"api_id" orm:"column(api_id)" json:"api_id"`
	Cached              string `form:"cached" orm:"column(cached)" json:"cached"`
	CachTime            string `form:"cachtime" orm:"column(cachtime)" json:"cachtime"`
	TransAll            string `form:"trans_all" orm:"column(trans_all)" json:"trans_all"`
	InterfaceAfterApiID string `form:"interface_after_apiid" orm:"column(interface_after_apiid)" json:"interface_after_apiid"`
	InterfaceAfterUsage string `form:"interface_after_usage" orm:"column(interface_after_usage)" json:"interface_after_usage"`
}

var usagecache, _ = cache.NewCache("memory", `{"interval":600}`)
var usagecachePrefix = "interusage"

func (t *Interfaceusage) TableName() string {
	return "interfaceusage"
}

func init() {
	orm.RegisterModel(new(Interfaceusage))
}

// AddInterfaceusage insert a new Interfaceusage into database and returns
// last inserted Id on success.
func AddInterfaceusage(m *Interfaceusage) (id int64, err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	id, err = o.Insert(m)
	return
}

// GetInterfaceusageById retrieves Interfaceusage by Id. Returns error if
// Id doesn't exist
func GetInterfaceusageById(id int64) (v *Interfaceusage, err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	v = &Interfaceusage{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

// GetAllInterfaceusage retrieves all Interfaceusage matches certain condition. Returns empty list if
// no records exist
func GetAllInterfaceusage(query map[string]string, fields []string, sortby []string, order []string,
	offset int64, limit int64) (ml []interface{}, count int64, err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	qs := o.QueryTable(new(Interfaceusage))
	// query k=v
	for k, v := range query {
		// rewrite dot-notation to Object__Attribute
		k = strings.Replace(k, ".", "__", -1)
		if strings.Contains(k, "isnull") {
			qs = qs.Filter(k, (v == "true" || v == "1"))
		} else {
			if k != "Name" {
				qs = qs.Filter(k, v)
			} else {
				qs = qs.Filter("name__icontains", v)
			}
		}
	}
	count, _ = qs.Count()
	// order by:
	var sortFields []string
	if len(sortby) != 0 {
		if len(sortby) == len(order) {
			// 1) for each sort field, there is an associated order
			for i, v := range sortby {
				orderby := ""
				if order[i] == "desc" {
					orderby = "-" + v
				} else if order[i] == "asc" {
					orderby = v
				} else {
					return nil, 0, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
			qs = qs.OrderBy(sortFields...)
		} else if len(sortby) != len(order) && len(order) == 1 {
			// 2) there is exactly one order, all the sorted fields will be sorted by this order
			for _, v := range sortby {
				orderby := ""
				if order[0] == "desc" {
					orderby = "-" + v
				} else if order[0] == "asc" {
					orderby = v
				} else {
					return nil, 0, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
		} else if len(sortby) != len(order) && len(order) != 1 {
			return nil, 0, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
		}
	} else {
		if len(order) != 0 {
			return nil, 0, errors.New("Error: unused 'order' fields")
		}
	}

	var l []Interfaceusage
	qs = qs.OrderBy(sortFields...)
	if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
		if len(fields) == 0 {
			for _, v := range l {
				ml = append(ml, v)
			}
		} else {
			// trim unused fields
			for _, v := range l {
				m := make(map[string]interface{})
				val := reflect.ValueOf(v)
				for _, fname := range fields {
					m[fname] = val.FieldByName(fname).Interface()
				}
				ml = append(ml, m)
			}
		}
		return ml, count, nil
	}
	return nil, 0, err
}

// UpdateInterfaceusage updates Interfaceusage by Id and returns error if
// the record to be updated doesn't exist
func UpdateInterfaceusageById(m *Interfaceusage, cols ...string) (err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	v := Interfaceusage{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m, cols...); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteInterfaceusage deletes Interfaceusage by Id and returns error if
// the record to be deleted doesn't exist
func DeleteInterfaceusage(id int64) (err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	v := Interfaceusage{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&Interfaceusage{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}

//ClearInterfaceusageCacheById 清除缓存
func ClearInterfaceusageCacheByApiId(apiid string) {
	key := usagecachePrefix + apiid
	usagecache.Delete(key)
}

// GetInterfaceusageById retrieves Interfaceusage by ApiId. Returns error if
// Id doesn't exist
func GetInterfaceusageByApiId(api_id string) (v *Interfaceusage, err error) {
	key := usagecachePrefix + api_id
	if usagecache.IsExist(key) {
		usage := usagecache.Get(key)
		v = usage.(*Interfaceusage)
		err = nil
	} else {
		o := orm.NewOrm()
		o.Using("dbFace")
		v = &Interfaceusage{}
		err = o.Raw("select * from interfaceusage where api_id =?", api_id).QueryRow(v)
		if err = o.Read(v); err == nil {
			usagecache.Put(key, v, 600*time.Second)
		}
	}

	return v, err
}

func GetInterfaceUsageList() (res []Interfaceusage, err error) {
	o := orm.NewOrm()
	o.Using("dbFace")
	_, err = o.Raw("SELECT * FROM interfaceusage  order by name asc").QueryRows(&res)
	return
}
